The crossword solution for the term 'Classical Beginning' is NEO, which is a three letter word. NEO is an abbreviation of the Greek word neos, meaning 'NEW'. It is often used to refer to something that is modern or contemporary, but it can also be used to refer to something that is classical or traditional. NEO is commonly used in the context of classical music, where it is used to describe a piece of music that has a traditional or classical beginning.